diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index 410fba45378d..809cbda03d7a 100644
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -494,15 +494,16 @@ static int hpwdt_pretimeout(struct notifier_block *nb, unsigned long ulReason,
 		asminline_call(&cmn_regs, cru_rom_addr);
 	die_nmi_called = 1;
 	spin_unlock_irqrestore(&rom_lock, rom_pl);
-	if (!is_icru) {
-		if (cmn_regs.u1.ral == 0) {
-			printk(KERN_WARNING "hpwdt: An NMI occurred, "
-				"but unable to determine source.\n");
-		}
-	}
 
 	if (allow_kdump)
 		hpwdt_stop();
+
+	if (!is_icru) {
+		if (cmn_regs.u1.ral == 0) {
+			panic("An NMI occurred, "
+				"but unable to determine source.\n");
+		}
+	}
 	panic("An NMI occurred, please see the Integrated "
 		"Management Log for details.\n");
 
diff --git a/drivers/watchdog/lantiq_wdt.c b/drivers/watchdog/lantiq_wdt.c
index 7d82adac1cb2..102aed0efbf1 100644
--- a/drivers/watchdog/lantiq_wdt.c
+++ b/drivers/watchdog/lantiq_wdt.c
@@ -51,16 +51,16 @@ static int ltq_wdt_ok_to_close;
 static void
 ltq_wdt_enable(void)
 {
-	ltq_wdt_timeout = ltq_wdt_timeout *
+	unsigned long int timeout = ltq_wdt_timeout *
 			(ltq_io_region_clk_rate / LTQ_WDT_DIVIDER) + 0x1000;
-	if (ltq_wdt_timeout > LTQ_MAX_TIMEOUT)
-		ltq_wdt_timeout = LTQ_MAX_TIMEOUT;
+	if (timeout > LTQ_MAX_TIMEOUT)
+		timeout = LTQ_MAX_TIMEOUT;
 
 	/* write the first password magic */
 	ltq_w32(LTQ_WDT_PW1, ltq_wdt_membase + LTQ_WDT_CR);
 	/* write the second magic plus the configuration and new timeout */
 	ltq_w32(LTQ_WDT_SR_EN | LTQ_WDT_SR_PWD | LTQ_WDT_SR_CLKDIV |
-		LTQ_WDT_PW2 | ltq_wdt_timeout, ltq_wdt_membase + LTQ_WDT_CR);
+		LTQ_WDT_PW2 | timeout, ltq_wdt_membase + LTQ_WDT_CR);
 }
 
 static void
diff --git a/drivers/watchdog/sbc_epx_c3.c b/drivers/watchdog/sbc_epx_c3.c
index 3066a5127ca8..eaca366b7234 100644
--- a/drivers/watchdog/sbc_epx_c3.c
+++ b/drivers/watchdog/sbc_epx_c3.c
@@ -173,7 +173,7 @@ static struct notifier_block epx_c3_notifier = {
 	.notifier_call = epx_c3_notify_sys,
 };
 
-static const char banner[] __initdata = KERN_INFO PFX
+static const char banner[] __initconst = KERN_INFO PFX
 	"Hardware Watchdog Timer for Winsystems EPX-C3 SBC: 0.1\n";
 
 static int __init watchdog_init(void)
diff --git a/drivers/watchdog/watchdog_dev.c b/drivers/watchdog/watchdog_dev.c
index d33520d0b4c9..1199da0f98cf 100644
--- a/drivers/watchdog/watchdog_dev.c
+++ b/drivers/watchdog/watchdog_dev.c
@@ -59,7 +59,7 @@ static struct watchdog_device *wdd;
 
 static int watchdog_ping(struct watchdog_device *wddev)
 {
-	if (test_bit(WDOG_ACTIVE, &wdd->status)) {
+	if (test_bit(WDOG_ACTIVE, &wddev->status)) {
 		if (wddev->ops->ping)
 			return wddev->ops->ping(wddev);  /* ping the watchdog */
 		else
@@ -81,12 +81,12 @@ static int watchdog_start(struct watchdog_device *wddev)
 {
 	int err;
 
-	if (!test_bit(WDOG_ACTIVE, &wdd->status)) {
+	if (!test_bit(WDOG_ACTIVE, &wddev->status)) {
 		err = wddev->ops->start(wddev);
 		if (err < 0)
 			return err;
 
-		set_bit(WDOG_ACTIVE, &wdd->status);
+		set_bit(WDOG_ACTIVE, &wddev->status);
 	}
 	return 0;
 }
@@ -105,18 +105,18 @@ static int watchdog_stop(struct watchdog_device *wddev)
 {
 	int err = -EBUSY;
 
-	if (test_bit(WDOG_NO_WAY_OUT, &wdd->status)) {
+	if (test_bit(WDOG_NO_WAY_OUT, &wddev->status)) {
 		pr_info("%s: nowayout prevents watchdog to be stopped!\n",
-							wdd->info->identity);
+							wddev->info->identity);
 		return err;
 	}
 
-	if (test_bit(WDOG_ACTIVE, &wdd->status)) {
+	if (test_bit(WDOG_ACTIVE, &wddev->status)) {
 		err = wddev->ops->stop(wddev);
 		if (err < 0)
 			return err;
 
-		clear_bit(WDOG_ACTIVE, &wdd->status);
+		clear_bit(WDOG_ACTIVE, &wddev->status);
 	}
 	return 0;
 }